Unsupervised Learning of Shape-invariant Lie Group Transformer by Embedding Ordinary Differential Equation.
Takumi TakadaYoshiyuki OhmuraYasuo KuniyoshiPublished in: ICDL (2021)
Keyphrases
- unsupervised learning
- ordinary differential equations
- lie group
- vector space
- supervised learning
- vector field
- shape model
- parameter space
- shape analysis
- euclidean space
- tensor field
- infinite dimensional
- dynamic systems
- differential equations
- shape descriptors
- invariant features
- partial differential equations
- shape space
- covariance matrices
- expectation maximization
- geometric structure
- geodesic distance
- numerical solution
- shape variations
- shape representation
- affine invariant
- riemannian manifolds
- finite dimensional
- computer vision
- maximum likelihood
- feature vectors
- feature selection